Charter ARP Leak
larrysheldon at cox.net
Tue Dec 30 01:21:28 UTC 2014
On 12/29/2014 11:35, Brett Frankenberger wrote:
> On Mon, Dec 29, 2014 at 12:27:04PM -0500, Jay Ashworth wrote:
>>> Valdis, you are correct. What your seeing is caused by multiple IP
>>> blocks being assigned to the same CMTS interface.
>> Am I incorrect, though, in believing that ARP packets should only be visible
>> within a broadcast domain,
> broadcast domain != subnet
It surprises me that in this day and age, in a forum like this that has
an active thread about kids being taught archaic concepts, we see
language like "broadcast domain != subnet" and a perceived need to
[no longer germane material deleted to reduce excess baggage charges]
> int ethernet 0/0
> ip address 10.0.0.1 255.255.0.0
> ip address 184.108.40.206 255.255.0.0 secondary
> ip address 220.127.116.11 255.255.0.0 secondary
> The broadcast domain will have ARP broadcasts for all three subnets.
This are not "subnets"! They are IP addresses in three different IP
> Doing it over a CMTS doesn't change that.
Communication here perceived as hostile is apologized-for.
The unique Characteristics of System Administrators:
The fact that they are infallible; and,
The fact that they learn from their mistakes.
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